Home / 238,969.04-329,777.45-131,540.87

Finding the Fourth Proportional to 238,969.04, 329,777.45 and 131,540.87

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Solution

The fourth proportional to 238,969.04, 329,777.45 and 131,540.87 is: 181,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,969.04 : 329,777.45 = 131,540.87 : x
  2. Step 2: Convert to fraction form
    238,969.04/329,777.45 = 131,540.87/x
  3. Step 3: Cross multiply
    238,969.04x = 329,777.45 × 131,540.87
  4. Step 4: Simplify right side
    238,969.04x = 43,379,210,372.79
  5. Step 5: Solve for x
    x = 43,379,210,372.79/238,969.04
  6. Step 6: Final answer
    x = 181,526.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.